Philadelphia - Recent December Temperatures, Rain & Snow





The numbers here describe what the December weather in Philadelphia, Pennsylvania was like for every year since 2010. A series of tables gives December data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each December. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Philadelphia had wet or snowy weather.

The climate data come from weather measurements made at Philadelphia International Airport.

Temperature Weather iconTemperature

December temperature averages by year in Philadelphia
High °F Low °F Year High °C Low °C
47 34 2018 8 1
43 30 2017 6 -1
46 32 2016 8 0
58 44 2015 15 7
47 35 2014 8 2
46 32 2013 8 0
50 37 2012 10 3
51 35 2011 11 2
39 26 2010 4 -3
Number of days in December when the temperature in Philadelphia dropped to 0 or 32 or below, or rose to at least 70 degrees Fahrenheit
0 °F
-18 °C
32 °F
0 °C
Year 70 °F
21 °C
0 18 2018 0
0 17 2017 0
0 18 2016 0
0 2 2015 4
0 9 2014 0
0 19 2013 0
0 12 2012 0
0 12 2011 0
0 28 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Philadelphia during December in each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.01 inches (0.3 millimeters) or more.

Total precipitation for December in Philadelphia
Days Year Inches Milli­metres
12 2018 6.4 162
8 2017 1.3 33
11 2016 2.7 69
13 2015 5.1 131
13 2014 3.3 83
11 2013 5.2 132
16 2012 4.4 113
10 2011 4.4 111
7 2010 3.2 82

Snowy Weather iconSnow

Amount of snowfall in Philadelphia for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2018 0.3 1
3 2017 7.7 20
0 2016 0.3 1
0 2015 0.0 0
0 2014 0.1 0
2 2013 11.2 28
0 2012 0.4 1
0 2011 0.0 0
1 2010 12.7 32
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Philadelphia - Recent Years
Philadelphia - Extremes
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